Mattei may refer to:
- Mattei (surname)
- Mattei, California
- Mattei family, noble Roman family
- The Mattei Affair (Italian: Il Caso Mattei), a 1972 film
- Mattei sarcophagus I, known as Mattei I
- Electrohomeopathy, also Mattei cancer cure
See also
edit- Matteis, surname